Concrete Balcony Construction Details

Architectural details require the top of the balcony slab to be slightly lower than the interior floor to prevent rain driven water or snow from penetrating into apartments.

Concrete balcony construction details.

Where balconies or other elevated walking surfaces are exposed to water from direct or blowing rain snow or irrigation and the structural framing is protected by an impervious moisture barrier the construction documents shall include details for all elements of the impervious moisture barrier system. Concrete repair technical drawing concrete repair patch edge treatment dxf technical drawing concrete repair patch edge treatment. Detail 1 16a brick veneer concrete block balcony at patio door detail detail 1 17 brick veneer concrete block control joint air stop detail 1 18 slab connection details. Sealants and waterproofing technical drawing balcony at patio door dxf.

Conventional balcony construction consisting of a concrete topping slab over a waterproofing membrane over wood framing is prevalent in multi family residential construction and it is also used in houses and some commercial properties. Balconies also generally take up less space than decks. The design and details need to recognize the drop and also the need for a larger concrete cover dictated by the weather exposure. Wood rot of balcony framing is a well known risk but it is even more widespread than recognized.

Balconies resemble decks though they differ in a few key areas.